Arduino for STM32

Hi everyone,
I'm new to the STM32 world and just picked up my first STM32F446RE Nucleo6-64 board.
Is it possible to use the non "arduino" pins as additional GPIO pins? Is there a lesson or tutorial someone knows of on how to call these pins in the arduino IDE?

For example. I can see CN9 and CN5 are the typical Arduino pins and they share the closest row of the morpho connector. But what about the outside row of the morpho connector? Is there a way to use these pins through the Arduino IDE?

Just use their "names" PA1, PB4, etc.

So you're saying(based on the image);



pinMode(12,INPUT);
can be written as
pinMode(PA6, INPUT);

and that can be used for the outer, non-arudino rows also?
like;

pinMode(PC8, INPUT);